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BISSEKTIPELTA

a herbivorous ankylosaurid dinosaur from the Late Cretaceous of Uzbekistan.
image
Pronunciation: bish-ehk-tee-pel-tuh
Meaning: Bissekty Formation Shield
Author/s: Parish and Barrett (2002)
Synonyms: None known
First Discovery: Dzharakuduk, Uzbekistan
Chart Position: 415

Bissektipelta archibaldi

Bissektipelta is based on a braincase and skull roof from the Kyzyl kum Desert that Averianov assigned to Amtosaurus as a second species—Amtosaurus archibaldi— in 2002. A mere two years later Jolyon Parish and Paul Barrett declared that Amtosaurus was dubious, meaning the remains of Amtosaurus archibaldi were up for grabs, so they nabbed them to anchor Bissektipelta in 2004, whilst retaining the original epithet. To date, Bissektipelta is the only confirmed ankylosaurid from Uzbekistan and one of the few from anywhere with three separate braincase exit points for the hypoglossal nerve which drives tongue movement, but these facts do not make it unique. What does, however, are a trio of caputegulum (skull tiles) on its skull roof that are larger than those found on the few other ankylosaurs that have them, and are separated by grooves that form a distinctive Y-shape.
(Archibald's Bissekty Lizard)Etymology
Bissektipelta is derived from "Bissekty" (see discovery) and the Greek "pelte" (shield), so named for the armour which ankylosaurids are renowned for.
The species epithet, archibaldi, is named for professor David Archibald, in recognition of his work on Late Cretaceous vertebrates from Central Asia.
Discovery
The remains of Bissektipelta were discovered at Dzharakuduk in the Bissekty Formation, Navoi Viloyat (Navoi Province), Uzbekistan, by the joint Usbek-Russian-British-American-Canadian (Urbac) Project in September 1998. The holotype (ZIN PH 1/6) is a braincase and incomplete skull roof, along with isolated teeth and osteoderms.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Turonian
Age range: 94-89 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Herbivore
Family Tree:
Dinosauria
Ornithischia
Thyreophora
Ankylosauria
Ankylosauridae
Bissektipelta
archibaldi
References
• Aviarianov A.O. (2002) "An ankylosaurid (Ornithischia: Ankylosauria) from the Upper Cretaceous Bissekty Formation of Uzbekistan". Bulletin de l'Institut Royal des Sciences Naturelles de Belqique, Sciences de la Terre 72:97-110.
• Parish J. & Barrett P. (2004) "A reappraisal of the ornithischian dinosaur Amtosaurus magnus Kurzanov and Tumanova 1978, with comments on the status of A. archibaldi Averianov 2002". Canadian Journal of Earth Sciences 41(3):299-306. DOI: 10.1139/e03-101
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To cite this page:
Atkinson, L. "BISSEKTIPELTA :: from DinoChecker's dinosaur archive".
›. Web access: 23rd Mar 2017.
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